h264: MBAFF interlaced decoding

Originally committed as revision 5419 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 38 insertions, 0 deletions

diff --git a/libavcodec/h264data.h b/libavcodec/h264data.h
index 3132102df4..1dd9dafe50 100644
--- a/libavcodec/h264data.h
+++ b/libavcodec/h264data.h
@@ -345,6 +345,44 @@ static const uint8_t zigzag_scan8x8_cavlc[64]={
  5+5*8, 6+5*8, 6+6*8, 7+7*8,
 };
 
+static const uint8_t field_scan8x8[64]={
+ 0+0*8, 0+1*8, 0+2*8, 1+0*8,
+ 1+1*8, 0+3*8, 0+4*8, 1+2*8,
+ 2+0*8, 1+3*8, 0+5*8, 0+6*8,
+ 0+7*8, 1+4*8, 2+1*8, 3+0*8,
+ 2+2*8, 1+5*8, 1+6*8, 1+7*8,
+ 2+3*8, 3+1*8, 4+0*8, 3+2*8,
+ 2+4*8, 2+5*8, 2+6*8, 2+7*8,
+ 3+3*8, 4+1*8, 5+0*8, 4+2*8,
+ 3+4*8, 3+5*8, 3+6*8, 3+7*8,
+ 4+3*8, 5+1*8, 6+0*8, 5+2*8,
+ 4+4*8, 4+5*8, 4+6*8, 4+7*8,
+ 5+3*8, 6+1*8, 6+2*8, 5+4*8,
+ 5+5*8, 5+6*8, 5+7*8, 6+3*8,
+ 7+0*8, 7+1*8, 6+4*8, 6+5*8,
+ 6+6*8, 6+7*8, 7+2*8, 7+3*8,
+ 7+4*8, 7+5*8, 7+6*8, 7+7*8,
+};
+
+static const uint8_t field_scan8x8_cavlc[64]={
+ 0+0*8, 1+1*8, 2+0*8, 0+7*8,
+ 2+2*8, 2+3*8, 2+4*8, 3+3*8,
+ 3+4*8, 4+3*8, 4+4*8, 5+3*8,
+ 5+5*8, 7+0*8, 6+6*8, 7+4*8,
+ 0+1*8, 0+3*8, 1+3*8, 1+4*8,
+ 1+5*8, 3+1*8, 2+5*8, 4+1*8,
+ 3+5*8, 5+1*8, 4+5*8, 6+1*8,
+ 5+6*8, 7+1*8, 6+7*8, 7+5*8,
+ 0+2*8, 0+4*8, 0+5*8, 2+1*8,
+ 1+6*8, 4+0*8, 2+6*8, 5+0*8,
+ 3+6*8, 6+0*8, 4+6*8, 6+2*8,
+ 5+7*8, 6+4*8, 7+2*8, 7+6*8,
+ 1+0*8, 1+2*8, 0+6*8, 3+0*8,
+ 1+7*8, 3+2*8, 2+7*8, 4+2*8,
+ 3+7*8, 5+2*8, 4+7*8, 5+4*8,
+ 6+3*8, 6+5*8, 7+3*8, 7+7*8,
+};
+
 #define MB_TYPE_REF0       MB_TYPE_ACPRED //dirty but it fits in 16bit
 #define MB_TYPE_8x8DCT     0x01000000
 #define IS_REF0(a)       ((a)&MB_TYPE_REF0)